Best Whos Calling Apps

196+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

NumberBox is the household name in whos calling, but it's far from the only option. We track 196+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Whos Calling Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1NumberBox:CallerIDNumberBox:CallerIDFree4.5★ (465)NoNoAug 2026
2Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesAug 2026
3Who's calling?Who's calling?Free4.1★ (39)NoYesJul 2026
4Reverse LookupReverse LookupFree4.7★ (153K)YesNoAug 2026
5Whoscall: Caller ID & BlockWhoscall: Caller ID & BlockFree4.7★ (3K)YesYesAug 2026
6Number Finder Caller ID :TrueNumber Finder Caller ID :TrueFree4.7★ (70K)YesYesAug 2026
7Real Caller : Caller idReal Caller : Caller idFree4.1★ (3.3K)YesYesAug 2026
8TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (25K)YesYesAug 2026

Top Picks for Whos Calling

NumberBox:CallerID#1

NumberBox:CallerID by Marvan Salemi

Know Your Caller
Editor's Choice
🔧 Utilities
4.5😐(465 ratings)
Free
NumberBox:CallerID screenshot 1
NumberBox:CallerID screenshot 2
NumberBox:CallerID screenshot 3
NumberBox:CallerID screenshot 4
NumberBox:CallerID screenshot 5

This app helps you identify unwanted calls by allowing users to report and tag spam or telemarketing numbers. All submissions are anonymous and help build a community-driven database to protect users from potential scams.

What We Love

  • 🎯 Effective at identifying unknown numbers
  • ⚡ Fast and practical performance
  • 📱 User-friendly interface
  • 💪 Comprehensive caller ID database

Room to Improve

  • 🔒 Serious privacy violations and data sharing without consent
  • 🚫 Non-functional after recent updates
  • 📵 Doesn't work anymore for core functionality
Truecaller: Premium Caller ID#2

Truecaller: Premium Caller ID by True Software Scandinavia AB

Spam & Scam Phone Call Blocker
Strong Contender
🔧 Utilities
4.4😞(252K ratings)
FreeAdsIn-App Purchases
#36in Utilities
Truecaller: Premium Caller ID screenshot 1
Truecaller: Premium Caller ID screenshot 2
Truecaller: Premium Caller ID screenshot 3
Truecaller: Premium Caller ID screenshot 4
Truecaller: Premium Caller ID screenshot 5
Truecaller: Premium Caller ID screenshot 6

Identify unknown callers and block spam calls and texts. This app uses AI and community data to screen calls, identify callers, and offers an AI assistant for call screening. Premium features include ad removal, unlimited lookups, and profile insights.

What We Love

  • 🚀 Blocks spam calls
  • 💡 Useful caller ID feature
  • 👍 Helps identify scammers

Room to Improve

  • 🐛 Inconsistent performance
  • 🔒 Privacy concerns with data collection
  • 💰 Expensive premium subscription
Who's calling?#3

Who's calling? by Vasiliy Shaydullin

Spam Blocking & Caller ID
Worth Considering
🔧 Utilities
4.1(39 ratings)
FreeIn-App Purchases
Who's calling? screenshot 1
Who's calling? screenshot 2
Who's calling? screenshot 3

Identify unwanted calls and block spam numbers. This app helps you screen incoming calls, maintain a list of blocked numbers, and check numbers against a database to avoid scams.

More Whos Calling apps to explore

4
Reverse Lookup
Reverse Lookup
Reverse Lookup
Phone number lookup pro.
Free

Identify unknown callers and uncover details about any phone number. This free tool helps you check for spam and find information on cell, landline, and toll-free numbers from the US and Canada.

Find information on phone numbersCheck spam likelinessCopy/paste numbers from call log
🔍 Reference
(153K)
ad-supported
5
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Report scam, build community
Free

This app acts as a digital shield against scams and spam calls and messages. It uses AI and community reports to identify unknown numbers and block suspicious content. Users can also verify phone numbers, URLs, and screenshots to enhance their online safety.

Caller ID & BlockerSmart SMS AssistantNumber, URL, Screenshot Verification
🔧 Utilities
(3K)
free with in-app purchases
6
Number Finder Caller ID :True
Number Finder Caller ID :True
Number Finder Caller ID :True
Spam and Lookup Protection
Free

Identify unknown callers and protect your privacy with this comprehensive reverse phone lookup tool. See who searched for your number, block spam, and manage your digital footprint. Stay safe and informed about who contacts you.

Unlimited reverse phone lookupsReal-time caller ID identificationComprehensive spam detection
🔧 Utilities
(70K)
free with in-app purchases
7
Real Caller : Caller id
Real Caller : Caller id
Real Caller : Caller id
Number Lookup - Phone Numbers
Free

This app allows users to create profiles, search for others, and block unwanted calls. It also offers instant messaging between users and allows you to add multiple names to your verified phone number for easier identification. Premium features are available through subscription.

Create and manage user profilesSearch for other users' profilesBlock unwanted phone calls
🔧 Utilities
(3.3K)
freemium
8
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
Control Who Calls You & Block
Free

Unmask blocked and unknown callers, stop spam, and protect your privacy. Get caller ID for masked numbers, record calls, and receive voicemails as text. This app provides a solution for unwanted and harassing calls.

Reveal masked caller IDsBlock spam and telemarketersRecord incoming calls
💼 Business
(25K)
free with in-app purchases
9
Hiya: Spam Blocker
Hiya: Spam Blocker
Hiya: Spam Blocker
AI fraud & spam protection
Free

Block unwanted spam and scam calls while identifying unknown callers. Get real-time caller ID and call reasons before you answer, and protect your voicemail from spam. Offers premium features for an enhanced calling experience.

Spam and scam call blockingReal-time caller IDCall reason identification
🔧 Utilities
(237K)
free with in-app purchases
10
Getcontact
Getcontact
Getcontact
Caller ID & Spam Blocker
Free

This app helps you identify unknown callers and block unwanted spam calls and messages. It filters your communications, allowing you to focus on genuine conversations and maintain privacy with secure, encrypted chat features.

Caller identification for unknown numbersSpam call and message blockingSMS inbox cleanup
🔧 Utilities
(60K)
free with in-app purchases
11
Reverse Phone Lookup
Reverse Phone Lookup
Reverse Phone Lookup
Look Up Numbers and Caller ID
Free

Instantly identify unknown callers and access detailed information on over 200 million phone numbers. Reveal caller names, addresses, and emails, and block spam numbers to enhance your security. Keep your contacts organized and up-to-date.

Reverse phone number lookupsIdentify unknown callersBlock spam numbers
🔧 Utilities
(11K)
free with in-app purchases
12
True: Call ID &Number Search
True: Call ID &Number Search
True: Call ID &Number Search
Whos Calling & Photos
Free

Identify unknown callers and block unwanted spam calls with a vast, community-driven database. Get real-time caller information, perform reverse phone lookups, and manage your call history with smart search. Take control of your communication and ensure privacy and security.

Identify caller IDBlock spam callsReverse phone lookup
🔧 Utilities
(3.7K)
ad-supported
13
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
Free

Instantly identify unknown callers and block unwanted calls. This app provides lightning-fast phone number lookups, protects against scam calls, and offers advanced spam detection to keep your device free from robocalls. Manage your personal block list and report spam to help the community.

Identify unknown callersBlock specific phone numbersSpam detection and blocking
🔧 Utilities
(100K)
free with in-app purchases
14
Who: Premium True Caller ID
Who: Premium True Caller ID
Who: Premium True Caller ID
AI Spam Blocker • Phone Lookup
Free

Identify unknown callers, block unwanted calls and texts, and look up phone numbers instantly. This app uses AI to screen calls and provides detailed caller information, keeping your phone secure and quiet.

Identify unknown callersBlock spam calls and textsLookup unknown phone numbers
🔧 Utilities
(642)
free with in-app purchases
15
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Find Caller - Reverse Lookup
Caller id reverse phone lookup
Free

Identify the risk level of unknown phone numbers from around the world. Avoid spam and fraudulent calls by looking up true names and locations. Protect yourself from scams with real-time updated risk information.

Identify unknown call risk levelLookup true name and locationSearch phone number database
🔧 Utilities
(705)
free with in-app purchases
16
Number Lookup: Who is calling?
Number Lookup: Who is calling?
Number Lookup: Who is calling?
Reverse phone number lookup
Free

Identify unknown callers and screen potentially threatening numbers with a vast global database. Quickly find personal details, detect junk calls, and add numbers to your contacts anonymously. Unlimited queries are available without registration.

Query number informationIdentify junk numbersAnonymous search
🔧 Utilities
(478)
free with in-app purchases
17
CallerSmart: Reverse Lookup
CallerSmart: Reverse Lookup
CallerSmart: Reverse Lookup
Caller ID & Spam Call Blocker
Free

Identify unknown callers and block unwanted spam texts and calls. Get detailed caller information before answering and protect your privacy by adding your number to the Do Not Call Registry. Manage your calls effectively with this easy-to-use tool.

Reverse phone lookupCaller ID for incoming callsSMS filter
🔧 Utilities
(15K)
free with in-app purchases
18
Caller-ID
Caller-ID
Caller-ID
Reverse Phone Lookup
Free

Identify unknown callers and find out who owns a phone number. This app offers a global reverse lookup for over 1 billion numbers, with features like geolocation and social media directory integration. It also allows users to report and comment on spam or prank callers.

Global reverse phone lookupGeolocation by area codeSocial media directory
🔍 Reference
(19K)
free with in-app purchases
19
Reverse Lookup ®
Reverse Lookup ®
Reverse Lookup ®
Phone lookup, ture caller id
Free

Identify and block unwanted spam calls and messages with a global number database. Detect unknown callers and look up number details anonymously. No registration is required for unlimited queries.

Spam call and message blockingUnknown call detectionNumber information lookup
🔧 Utilities
(1.7K)
free with in-app purchases
20
Who's Calling, Inc.
Who's Calling, Inc.
Who's Calling, Inc.
by Who's Calling, Inc.
Free

Manage your business calls remotely with this mobile application. Handle missed and after-hour calls, review call history, listen to recordings, and update caller information from your iOS device. Display your business number when making outbound calls.

Manage missed and after-hour callsView recent call listsListen to call recordings
💼 Business
(4)
subscription

FAQ about Whos Calling

What are the best whos calling apps for iPhone?
NumberBox:CallerID tops our whos calling apps ranking as of May 2026, with a 4.5-star average from 465 App Store ratings, and it's free to download.
Yes — 20 of the top whos calling apps we rank are free to download, including NumberBox:CallerID and Truecaller: Premium Caller ID.
NumberBox:CallerID has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 196+ whos calling apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
NumberBox is a tool that allows users to voluntarily report unwanted or spam phone numbers. By submitting tags like 'Scammer' or 'Telemarketing,' users help build a community database to identify potentially unwanted calls and keep others safe.
The app is designed with privacy as a top priority. It does not collect, store, or share any personal data, nor does it access your contacts, call history, or messages. All user-submitted tags are stored anonymously and are not linked to any personal identities.

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